I heard "Holocaust denial" was put in mainstream media in so called Muslim countries then the U.S.A. threatened to cut funds they were giving to the Muslim countries so the people who allowed the "Holocaust denial" in the media were fired and the countries basically stopped posting "Holocaust denial" in the media

The person claimed that Iran allows such media. This might explain why they want to go to was in Iran

"Holocaust Denial" is a over simplification as the person called it revisionist